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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-12-15 14:13:55 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-12-15 14:13:55 +0100 |
| commit | 037fc3b054b10aee0f11fdbe835e5dffa8e95b37 (patch) | |
| tree | 8849af6df884093e80845d06a063e4603a9a5c46 /libswscale/utils.c | |
| parent | 554e913fd7acc9da02ddac2c5ce9487f7f633c92 (diff) | |
| download | ffmpeg-037fc3b054b10aee0f11fdbe835e5dffa8e95b37.tar.gz | |
swscale/utils: check chroma width for fast bilinear scaler
Fixes artifacts where fast bilinear was used for downscaling chroma
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswscale/utils.c')
| -rw-r--r-- | libswscale/utils.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c index baf2c591ca..80c789fef8 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -1342,8 +1342,9 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter, if (INLINE_MMXEXT(cpu_flags) && c->srcBpc == 8 && c->dstBpc <= 14) { c->canMMXEXTBeUsed = dstW >= srcW && (dstW & 31) == 0 && + c->chrDstW >= c->chrSrcW && (srcW & 15) == 0; - if (!c->canMMXEXTBeUsed && dstW >= srcW && (srcW & 15) == 0 + if (!c->canMMXEXTBeUsed && dstW >= srcW && c->chrDstW >= c->chrSrcW && (srcW & 15) == 0 && (flags & SWS_FAST_BILINEAR)) { if (flags & SWS_PRINT_INFO) |